* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    --primary: #1a5276;
    --primary-light: #2980b9;
    --secondary: #e67e22;
    --text: #333;
    --text-light: #666;
    --bg: #fff;
    --bg-light: #f8f9fa;
    --bg-dark: #2c3e50;
    --border: #e0e0e0;
    --shadow: 0 2px 12px rgba(0,0,0,0.08);
    --radius: 8px;
    --transition: all 0.3s ease;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Segoe UI', 'PingFang SC', 'Microsoft YaHei', sans-serif;
    color: var(--text);
    line-height: 1.6;
    background: var(--bg);
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

a {
    text-decoration: none;
    color: inherit;
    transition: var(--transition);
}

/* Header */
.header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    background: rgba(255,255,255,0.98);
    box-shadow: 0 2px 8px rgba(0,0,0,0.1);
    z-index: 1000;
    backdrop-filter: blur(10px);
}

.header .container {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 70px;
}

.logo a {
    font-size: 20px;
    font-weight: 700;
    color: var(--primary);
    letter-spacing: 1px;
}

.nav ul {
    display: flex;
    list-style: none;
    gap: 8px;
}

.nav a {
    display: block;
    padding: 8px 18px;
    font-size: 15px;
    font-weight: 500;
    color: var(--text);
    border-radius: 4px;
    transition: var(--transition);
}

.nav a:hover {
    color: var(--primary);
    background: rgba(26,82,118,0.06);
}

.menu-toggle {
    display: none;
    flex-direction: column;
    gap: 5px;
    cursor: pointer;
    padding: 5px;
}

.menu-toggle span {
    display: block;
    width: 25px;
    height: 3px;
    background: var(--text);
    border-radius: 2px;
    transition: var(--transition);
}

/* Carousel */
.carousel {
    position: relative;
    width: 100%;
    height: 600px;
    overflow: hidden;
    margin-top: 70px;
}

.carousel-track {
    position: relative;
    width: 100%;
    height: 100%;
}

.carousel-slide {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    opacity: 0;
    transition: opacity 0.8s ease;
}

.carousel-slide.active {
    opacity: 1;
}

.carousel-slide img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
}

.placeholder-image {
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    display: flex;
    align-items: center;
    justify-content: center;
    color: #fff;
    font-size: 20px;
}

.placeholder-image:nth-child(1) {
    background: linear-gradient(135deg, #1a5276 0%, #2980b9 100%);
}

.carousel-slide:nth-child(2) .placeholder-image {
    background: linear-gradient(135deg, #e67e22 0%, #f39c12 100%);
}

.carousel-slide:nth-child(3) .placeholder-image {
    background: linear-gradient(135deg, #27ae60 0%, #2ecc71 100%);
}

.placeholder-image span {
    background: rgba(0,0,0,0.2);
    padding: 12px 24px;
    border-radius: 8px;
    font-size: 18px;
}

.carousel-btn {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    background: rgba(255,255,255,0.3);
    border: none;
    color: #fff;
    font-size: 20px;
    width: 50px;
    height: 50px;
    border-radius: 50%;
    cursor: pointer;
    transition: var(--transition);
    backdrop-filter: blur(4px);
}

.carousel-btn:hover {
    background: rgba(255,255,255,0.5);
}

.carousel-btn.prev {
    left: 20px;
}

.carousel-btn.next {
    right: 20px;
}

.carousel-dots {
    position: absolute;
    bottom: 20px;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    gap: 10px;
}

.dot {
    width: 12px;
    height: 12px;
    border-radius: 50%;
    background: rgba(255,255,255,0.5);
    cursor: pointer;
    transition: var(--transition);
}

.dot.active {
    background: #fff;
    transform: scale(1.2);
}

/* About Brief / Services */
.about-brief {
    padding: 80px 0;
    background: var(--bg);
}

.about-brief h2,
.products-showcase h2,
.contact h2 {
    text-align: center;
    font-size: 32px;
    color: var(--primary);
    margin-bottom: 50px;
    position: relative;
}

.about-brief h2::after,
.products-showcase h2::after,
.contact h2::after {
    content: '';
    display: block;
    width: 60px;
    height: 3px;
    background: var(--secondary);
    margin: 15px auto 0;
    border-radius: 2px;
}

.company-intro {
    max-width: 800px;
    margin: 0 auto 50px;
    text-align: center;
    font-size: 16px;
    line-height: 1.8;
    color: var(--text-light);
}

.services-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 30px;
}

.service-card {
    text-align: center;
    padding: 40px 24px;
    background: var(--bg-light);
    border-radius: var(--radius);
    transition: var(--transition);
    border: 1px solid var(--border);
}

.service-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow);
    border-color: var(--primary-light);
}

.service-icon {
    font-size: 48px;
    margin-bottom: 20px;
}

.service-card h3 {
    font-size: 18px;
    color: var(--primary);
    margin-bottom: 12px;
}

.service-card p {
    font-size: 14px;
    color: var(--text-light);
    line-height: 1.8;
}

/* Products Showcase */
.products-showcase {
    padding: 80px 0;
    background: var(--bg-light);
}

.products-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 30px;
}

.product-card {
    display: block;
    background: var(--bg);
    border-radius: var(--radius);
    overflow: hidden;
    box-shadow: var(--shadow);
    transition: var(--transition);
    border: 1px solid var(--border);
}

.product-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 8px 24px rgba(0,0,0,0.12);
}

.product-image {
    overflow: hidden;
}

.product-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
    width: 100%;
    height: 220px;
    overflow: hidden;
}

.placeholder-image.small {
    height: 100%;
    background: linear-gradient(135deg, #bdc3c7 0%, #95a5a6 100%);
}

.product-card:nth-child(2) .placeholder-image.small {
    background: linear-gradient(135deg, #3498db 0%, #2980b9 100%);
}

.product-card:nth-child(3) .placeholder-image.small {
    background: linear-gradient(135deg, #e74c3c 0%, #c0392b 100%);
}

.product-card:nth-child(4) .placeholder-image.small {
    background: linear-gradient(135deg, #f39c12 0%, #e67e22 100%);
}

.product-card:nth-child(5) .placeholder-image.small {
    background: linear-gradient(135deg, #1abc9c 0%, #16a085 100%);
}

.product-card:nth-child(6) .placeholder-image.small {
    background: linear-gradient(135deg, #9b59b6 0%, #8e44ad 100%);
}

.product-info {
    padding: 20px;
}

.product-info h3 {
    font-size: 16px;
    color: var(--primary);
    margin-bottom: 8px;
}

.product-info p {
    font-size: 14px;
    color: var(--text-light);
}

/* Contact */
.contact {
    padding: 80px 0;
    background: var(--bg);
}

.contact-wrapper {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: start;
}

.contact-info h3,
.contact-form h3 {
    font-size: 22px;
    color: var(--primary);
    margin-bottom: 30px;
}

.contact-item {
    display: flex;
    align-items: flex-start;
    gap: 15px;
    margin-bottom: 25px;
}

.contact-icon {
    font-size: 20px;
    flex-shrink: 0;
    margin-top: 2px;
}

.contact-item strong {
    display: block;
    font-size: 14px;
    color: var(--text);
    margin-bottom: 4px;
}

.contact-item a,
.contact-item p {
    font-size: 15px;
    color: var(--text-light);
}

.contact-item a:hover {
    color: var(--primary);
}

.form-group {
    margin-bottom: 20px;
}

.form-group label {
    display: block;
    font-size: 14px;
    font-weight: 500;
    color: var(--text);
    margin-bottom: 6px;
}

.form-group input,
.form-group textarea {
    width: 100%;
    padding: 12px 16px;
    font-size: 14px;
    border: 1px solid var(--border);
    border-radius: 6px;
    outline: none;
    transition: var(--transition);
    font-family: inherit;
}

.form-group input:focus,
.form-group textarea:focus {
    border-color: var(--primary-light);
    box-shadow: 0 0 0 3px rgba(41,128,185,0.1);
}

.btn-submit {
    display: inline-block;
    padding: 12px 36px;
    font-size: 15px;
    font-weight: 600;
    color: #fff;
    background: var(--primary);
    border: none;
    border-radius: 6px;
    cursor: pointer;
    transition: var(--transition);
}

.btn-submit:hover {
    background: var(--primary-light);
    transform: translateY(-1px);
}

/* Footer */
.footer {
    background: var(--bg-dark);
    color: #ccc;
    padding: 50px 0 0;
}

.footer-content {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 40px;
    padding-bottom: 40px;
    border-bottom: 1px solid rgba(255,255,255,0.1);
}

.footer-section h4 {
    color: #fff;
    font-size: 16px;
    margin-bottom: 20px;
}

.footer-section ul {
    list-style: none;
}

.footer-section ul li {
    margin-bottom: 10px;
}

.footer-section ul a {
    color: #aaa;
    font-size: 14px;
}

.footer-section ul a:hover {
    color: #fff;
}

.footer-section p {
    font-size: 14px;
    margin-bottom: 8px;
    color: #aaa;
}

.social-links {
    display: flex;
    gap: 12px;
}

.social-links a {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 36px;
    height: 36px;
    background: rgba(255,255,255,0.1);
    border-radius: 50%;
    color: #ccc;
    font-size: 12px;
    font-weight: 600;
}

.social-links a:hover {
    background: var(--primary-light);
    color: #fff;
}

.footer-bottom {
    text-align: center;
    padding: 20px 0;
    font-size: 13px;
    color: #888;
}

/* Sub Pages */
.page-hero {
    margin-top: 70px;
    padding: 80px 20px;
    background: linear-gradient(135deg, var(--primary) 0%, var(--primary-light) 100%);
    text-align: center;
    color: #fff;
}

.page-hero h1 {
    font-size: 42px;
    margin-bottom: 15px;
}

.page-hero p {
    font-size: 18px;
    opacity: 0.85;
}

.page-content {
    padding: 80px 0;
    min-height: 400px;
}

.page-content .container {
    text-align: center;
}

.page-content .placeholder-box {
    display: inline-block;
    padding: 60px 80px;
    background: var(--bg-light);
    border: 2px dashed var(--border);
    border-radius: var(--radius);
    color: var(--text-light);
    font-size: 18px;
}

.page-content .about-content {
    max-width: 800px;
}

.page-content .about-content h2 {
    color: var(--primary);
    font-size: 24px;
    margin-bottom: 16px;
    margin-top: 30px;
}

.page-content .about-content h2:first-child {
    margin-top: 0;
}

.page-content .about-content p {
    color: var(--text);
    line-height: 1.8;
    margin-bottom: 16px;
}

.page-content .about-content ul {
    list-style: none;
    padding: 0;
    margin-bottom: 16px;
}

.page-content .about-content ul li {
    padding: 8px 0 8px 24px;
    position: relative;
    color: var(--text);
    line-height: 1.6;
}

.page-content .about-content ul li::before {
    content: "✓";
    color: var(--primary-light);
    font-weight: bold;
    position: absolute;
    left: 0;
}


/* Video Grid - News Page */
.video-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
}

.video-card {
    background: var(--bg-light);
    border-radius: var(--radius);
    overflow: hidden;
    box-shadow: 0 2px 8px rgba(0,0,0,0.08);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.video-card:hover {
    transform: translateY(-4px);
    box-shadow: 0 6px 20px rgba(0,0,0,0.12);
}

.video-card video {
    width: 100%;
    height: 220px;
    object-fit: cover;
    display: block;
    background: #000;
}

.video-info {
    padding: 16px;
}

.video-info h3 {
    font-size: 16px;
    color: var(--primary);
    margin-bottom: 8px;
}

.video-info p {
    font-size: 14px;
    color: var(--text-light);
    line-height: 1.5;
}


/* Video play overlay */
.video-card {
    position: relative;
    cursor: pointer;
}

.video-card .video-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 220px;
    background: rgba(0,0,0,0.25);
    display: flex;
    align-items: center;
    justify-content: center;
    transition: opacity 0.3s ease;
    z-index: 2;
}

.video-card .video-overlay.hidden {
    opacity: 0;
    pointer-events: none;
}

.video-card .play-btn {
    width: 56px;
    height: 56px;
    background: rgba(255,255,255,0.9);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: 0 2px 12px rgba(0,0,0,0.3);
    transition: transform 0.2s ease;
}

.video-card:hover .play-btn {
    transform: scale(1.1);
}

.video-card .play-btn::after {
    content: "";
    display: block;
    width: 0;
    height: 0;
    border-style: solid;
    border-width: 10px 0 10px 20px;
    border-color: transparent transparent transparent var(--primary);
    margin-left: 4px;
}


/* External video embed (YouTube etc) */
.video-card .video-embed {
    position: relative;
    width: 100%;
    height: 220px;
    background: #000;
}

.video-card .video-embed iframe {
    width: 100%;
    height: 100%;
    border: none;
    display: block;
}

.back-link {
    display: inline-block;
    margin-top: 30px;
    padding: 10px 24px;
    background: var(--primary);
    color: #fff;
    border-radius: 6px;
    font-size: 14px;
}

.back-link:hover {
    background: var(--primary-light);
}

/* Responsive */
@media (max-width: 1024px) {
    .services-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    .products-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    .video-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    .video-card video {
        height: 200px;
    }
}

@media (max-width: 768px) {
    .menu-toggle {
        display: flex;
    }
    .nav {
        position: fixed;
        top: 70px;
        left: 0;
        width: 100%;
        background: #fff;
        box-shadow: 0 4px 12px rgba(0,0,0,0.1);
        transform: translateY(-120%);
        transition: var(--transition);
        z-index: 999;
    }
    .nav.active {
        transform: translateY(0);
    }
    .nav ul {
        flex-direction: column;
        padding: 20px;
    }
    .nav a {
        padding: 12px 16px;
    }
    .carousel {
        height: 350px;
    }
    .services-grid {
        grid-template-columns: 1fr;
    }
    .products-grid {
        grid-template-columns: 1fr;
    }
    .video-grid {
        grid-template-columns: 1fr;
    }
    .video-card video {
        height: 200px;
    }
    .contact-wrapper {
        grid-template-columns: 1fr;
        gap: 40px;
    }
    .footer-content {
        grid-template-columns: 1fr;
        gap: 30px;
    }
    .about-brief h2,
    .products-showcase h2,
    .contact h2 {
        font-size: 26px;
    }
}

/* Product Detail Page */
.product-detail {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 50px;
    align-items: start;
    text-align: left;
    max-width: 1000px;
    margin: 0 auto;
}

.gallery-main {
    width: 100%;
    aspect-ratio: 1;
    background: var(--bg-light);
    border-radius: var(--radius);
    overflow: hidden;
    border: 1px solid var(--border);
}

.gallery-main img {
    width: 100%;
    height: 100%;
    object-fit: contain;
    display: block;
}

.gallery-thumbs {
    display: flex;
    gap: 10px;
    margin-top: 12px;
}

.gallery-thumbs .thumb {
    width: 80px;
    height: 80px;
    object-fit: cover;
    border-radius: 6px;
    border: 2px solid var(--border);
    cursor: pointer;
    transition: var(--transition);
}

.gallery-thumbs .thumb.active,
.gallery-thumbs .thumb:hover {
    border-color: var(--primary);
}

.product-detail-info h2 {
    font-size: 24px;
    color: var(--primary);
    margin-bottom: 10px;
}

.product-sku {
    font-size: 14px;
    color: var(--text-light);
    margin-bottom: 20px;
}

.product-desc {
    font-size: 15px;
    color: var(--text);
    line-height: 1.8;
    margin-bottom: 30px;
}

.btn-inquiry {
    display: inline-block;
    padding: 12px 36px;
    background: var(--primary);
    color: #fff;
    border-radius: 6px;
    font-size: 15px;
    font-weight: 600;
}

.btn-inquiry:hover {
    background: var(--primary-light);
}

@media (max-width: 768px) {
    .product-detail {
        grid-template-columns: 1fr;
        gap: 30px;
    }
}

/* ===== Enhanced Mobile Responsive ===== */

/* Tablet: 769px - 1024px */
@media (max-width: 1024px) {
    .container {
        padding: 0 16px;
    }
    .about-brief,
    .products-showcase,
    .contact,
    .page-content {
        padding: 60px 0;
    }
    .about-brief h2,
    .products-showcase h2,
    .contact h2 {
        font-size: 28px;
        margin-bottom: 40px;
    }
    .company-intro {
        font-size: 15px;
        margin-bottom: 40px;
    }
    .carousel {
        height: 450px;
    }
    .carousel-btn {
        width: 40px;
        height: 40px;
        font-size: 16px;
    }
    .product-image img {
        height: 200px;
    }
    .page-hero {
        padding: 60px 20px;
    }
    .page-hero h1 {
        font-size: 34px;
    }
    .product-detail {
        gap: 30px;
    }
}

/* Mobile: up to 768px */
@media (max-width: 768px) {
    .container {
        padding: 0 14px;
    }
    .header .container {
        height: 56px;
    }
    .logo a {
        font-size: 17px;
    }
    .nav {
        top: 56px;
    }
    .carousel {
        height: 220px;
        margin-top: 56px;
    }
    .carousel-btn {
        width: 34px;
        height: 34px;
        font-size: 14px;
    }
    .carousel-btn.prev {
        left: 10px;
    }
    .carousel-btn.next {
        right: 10px;
    }
    .carousel-dots {
        bottom: 12px;
        gap: 8px;
    }
    .dot {
        width: 8px;
        height: 8px;
    }
    .about-brief,
    .products-showcase,
    .contact {
        padding: 40px 0;
    }
    .about-brief h2,
    .products-showcase h2,
    .contact h2 {
        font-size: 22px;
        margin-bottom: 30px;
    }
    .about-brief h2::after,
    .products-showcase h2::after,
    .contact h2::after {
        width: 40px;
        margin-top: 10px;
    }
    .company-intro {
        font-size: 14px;
        line-height: 1.7;
        margin-bottom: 30px;
    }
    .services-grid {
        gap: 16px;
    }
    .service-card {
        padding: 24px 16px;
    }
    .service-icon {
        font-size: 36px;
        margin-bottom: 12px;
    }
    .service-card h3 {
        font-size: 16px;
        margin-bottom: 8px;
    }
    .service-card p {
        font-size: 13px;
    }
    .products-grid {
        gap: 16px;
    }
    .product-image img {
        height: 180px;
    }
    .product-info {
        padding: 14px;
    }
    .product-info h3 {
        font-size: 14px;
        margin-bottom: 6px;
    }
    .product-info p {
        font-size: 13px;
    }
    .contact-wrapper {
        gap: 30px;
    }
    .contact-info h3,
    .contact-form h3 {
        font-size: 20px;
        margin-bottom: 20px;
    }
    .contact-item {
        margin-bottom: 18px;
    }
    .form-group {
        margin-bottom: 16px;
    }
    .form-group input,
    .form-group textarea {
        padding: 10px 14px;
        font-size: 15px;
    }
    .btn-submit {
        width: 100%;
        padding: 14px;
        font-size: 16px;
        text-align: center;
    }
    .footer {
        padding: 30px 0 0;
    }
    .footer-content {
        gap: 24px;
        padding-bottom: 24px;
    }
    .footer-section h4 {
        font-size: 15px;
        margin-bottom: 14px;
    }
    .footer-section ul a,
    .footer-section p {
        font-size: 13px;
    }
    .footer-bottom {
        padding: 16px 0;
        font-size: 12px;
    }
    .page-hero {
        margin-top: 56px;
        padding: 50px 16px;
    }
    .page-hero h1 {
        font-size: 28px;
        margin-bottom: 10px;
    }
    .page-hero p {
        font-size: 15px;
    }
    .page-content {
        padding: 40px 0;
    }
    
/* Video Grid - News Page */
.video-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
}

.video-card {
    background: var(--bg-light);
    border-radius: var(--radius);
    overflow: hidden;
    box-shadow: 0 2px 8px rgba(0,0,0,0.08);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.video-card:hover {
    transform: translateY(-4px);
    box-shadow: 0 6px 20px rgba(0,0,0,0.12);
}

.video-card video {
    width: 100%;
    height: 220px;
    object-fit: cover;
    display: block;
    background: #000;
}

.video-info {
    padding: 16px;
}

.video-info h3 {
    font-size: 16px;
    color: var(--primary);
    margin-bottom: 8px;
}

.video-info p {
    font-size: 14px;
    color: var(--text-light);
    line-height: 1.5;
}


/* Video play overlay */
.video-card {
    position: relative;
    cursor: pointer;
}

.video-card .video-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 220px;
    background: rgba(0,0,0,0.25);
    display: flex;
    align-items: center;
    justify-content: center;
    transition: opacity 0.3s ease;
    z-index: 2;
}

.video-card .video-overlay.hidden {
    opacity: 0;
    pointer-events: none;
}

.video-card .play-btn {
    width: 56px;
    height: 56px;
    background: rgba(255,255,255,0.9);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: 0 2px 12px rgba(0,0,0,0.3);
    transition: transform 0.2s ease;
}

.video-card:hover .play-btn {
    transform: scale(1.1);
}

.video-card .play-btn::after {
    content: "";
    display: block;
    width: 0;
    height: 0;
    border-style: solid;
    border-width: 10px 0 10px 20px;
    border-color: transparent transparent transparent var(--primary);
    margin-left: 4px;
}


/* External video embed (YouTube etc) */
.video-card .video-embed {
    position: relative;
    width: 100%;
    height: 220px;
    background: #000;
}

.video-card .video-embed iframe {
    width: 100%;
    height: 100%;
    border: none;
    display: block;
}

.back-link {
        padding: 12px 28px;
        font-size: 15px;
    }
    .product-detail {
        gap: 24px;
    }
    .product-detail-info h2 {
        font-size: 20px;
    }
    .product-desc {
        font-size: 14px;
    }
    .btn-inquiry {
        display: block;
        text-align: center;
        padding: 14px;
        font-size: 16px;
    }
    .gallery-thumbs {
        overflow-x: auto;
        -webkit-overflow-scrolling: touch;
        padding-bottom: 4px;
    }
    .gallery-thumbs .thumb {
        width: 64px;
        height: 64px;
        flex-shrink: 0;
    }
    .placeholder-box {
        padding: 30px 20px !important;
        font-size: 15px !important;
    }
}

/* Small Mobile: up to 480px */
@media (max-width: 480px) {
    .container {
        padding: 0 12px;
    }
    .header .container {
        height: 50px;
    }
    .logo a {
        font-size: 15px;
    }
    .menu-toggle span {
        width: 22px;
        height: 2.5px;
    }
    .nav {
        top: 50px;
    }
    .carousel {
        height: 180px;
        margin-top: 50px;
    }
    .carousel-btn {
        width: 30px;
        height: 30px;
        font-size: 12px;
    }
    .about-brief,
    .products-showcase,
    .contact {
        padding: 32px 0;
    }
    .about-brief h2,
    .products-showcase h2,
    .contact h2 {
        font-size: 20px;
        margin-bottom: 24px;
    }
    .company-intro {
        font-size: 13px;
        margin-bottom: 24px;
    }
    .service-card {
        padding: 20px 12px;
    }
    .service-icon {
        font-size: 30px;
        margin-bottom: 10px;
    }
    .service-card h3 {
        font-size: 15px;
    }
    .service-card p {
        font-size: 12px;
        line-height: 1.6;
    }
    .product-image img {
        height: 160px;
    }
    .product-info {
        padding: 12px;
    }
    .product-info h3 {
        font-size: 13px;
    }
    .product-info p {
        font-size: 12px;
    }
    .contact-info h3,
    .contact-form h3 {
        font-size: 18px;
    }
    .contact-item {
        gap: 10px;
        margin-bottom: 14px;
    }
    .contact-icon {
        font-size: 18px;
    }
    .contact-item strong {
        font-size: 13px;
    }
    .contact-item a,
    .contact-item p {
        font-size: 14px;
    }
    .footer-content {
        gap: 20px;
    }
    .page-hero {
        padding: 40px 12px;
    }
    .page-hero h1 {
        font-size: 24px;
    }
    .page-hero p {
        font-size: 14px;
    }
    .product-detail-info h2 {
        font-size: 18px;
    }
    .product-sku {
        font-size: 13px;
    }
    .product-desc {
        font-size: 13px;
        line-height: 1.7;
    }
    .gallery-thumbs .thumb {
        width: 56px;
        height: 56px;
    }
}